4021422044444 has 24 divisors (see below), whose sum is σ = 8056226558688. Its totient is φ = 1720598918400.

The previous prime is 4021422044413. The next prime is 4021422044449. The reversal of 4021422044444 is 4444402241204.

It is a super-2 number, since 2×4021422044444² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021422044449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119469209 + ... + 119502864.

It is an arithmetic number, because the mean of its divisors is an integer number (335676106612).

Almost surely, 2^{4021422044444} is an apocalyptic number.

It is an amenable number.

4021422044444 is an abundant number, since it is smaller than the sum of its proper divisors (4034804514244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021422044444 is a wasteful number, since it uses less digits than its factorization.

4021422044444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238972685 (or 238972683 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 4021422044444 its reverse (4444402241204), we get a palindrome (8465824285648).

The spelling of 4021422044444 in words is "four trillion, twenty-one billion, four hundred twenty-two million, forty-four thousand, four hundred forty-four".